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首页> 外文期刊>Corrosion science >Poly(o-phenylenediamine) modified graphene toward the reinforcement in corrosion protection of epoxy coatings
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Poly(o-phenylenediamine) modified graphene toward the reinforcement in corrosion protection of epoxy coatings

机译：聚（邻苯二胺）改性石墨烯对增强环氧涂料的防腐作用

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In this research, soluble poly(o-phenylenediamine) nanoparticles were synthesized to noncovalently functionalize the graphene nanosheets via pi-pi interactions, and the corresponding protective performance of epoxy composite coatings was also investigated. Results showed that the impedance modulus of the composite coatings incorporated with 0.5-1.0% G-Popd was about 10(10) Omega cm(2) after 60 days of immersion. Furthermore, the corrosion of substrate was still retarded even if there is an artificial scratch to the composite coatings. The superior protective performance of the composite coating derived from the synergistic action in the barrier property of graphene nanosheets and metal surface passivation by Popd nanoparticles.
机译：在这项研究中，合成了可溶性聚（邻苯二胺）纳米粒子通过pi-pi相互作用非共价地功能化石墨烯纳米片，并研究了环氧复合涂层的相应保护性能。结果表明，浸渍60天后，掺有0.5-1.0％G-Popd的复合涂层的阻抗模量约为10（10）Ωcm（2）。此外，即使复合涂层存在人为刮擦，基底的腐蚀仍然被抑制。复合涂层的优异保护性能源自石墨烯纳米片的阻隔性能和Popd纳米粒子对金属表面的钝化的协同作用。

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